volume of a sphere=(4/3)πr³
Answer is D. Timothy will lack testosterone and will probably be unable to achieve an erection
A rigid cell wall is found in plants so they can hold themselves up.
Answer:
Carbohydrates are sugars. Nucleic acids are the building blocks for DNA and RNA.
Explanation:
1st of all arteries have a thick walls while veins have have a thin wall
Answer to why arteries have thick walls: arteries have thick walls because blood flows inside them with high pressure and with a high speed
